[coreboot-gerrit] Change in coreboot[master]: drivers/intel/fsp2_0: Add mb hooks before & after FSP calls

[Martin Roth (Code Review)]

Attention is currently required from: Furquan Shaikh, Subrata Banik, Andrey Petrov, Patrick Rudolph.
Martin Roth has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/52866 )

Change subject: drivers/intel/fsp2_0: Add mb hooks before & after FSP calls
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Patch Set 1:

(1 comment)

File src/drivers/intel/fsp2_0/include/fsp/api.h:

https://review.coreboot.org/c/coreboot/+/52866/comment/73a40308_cf39e743 
PS1, Line 75: save and restore registers
> This seems like a problem with the FSP implementation itself. […]

Sure, but this is being done on the mainboard level, not the platform level. Imagine that you're a developer who doesn't work at Google and can't just get the FSP vendor to fix the issue.  What's the recourse?